@unpublished{repository4004,
           title = {NILAI KESMEN},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/4004/},
          author = {Titik Haryati, Dr. Titik Haryati{,} M. Pd}
}